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Definitions

reinforce

[ree-in-fawrs, -fohrs] / ˌri ɪnˈfɔrs, -ˈfoʊrs /
VERB
strengthen, augment
Synonyms
STRONGEST
add to bolster boost build up buttress emphasize enlarge fortify increase shore up stress support underline
STRONG
carry energize harden hype multiply prop stiffen stroke supplement sustain toughen
WEAK
add fuel to fire back up beef up heat up lend a hand pick up pillar prop up punch up soup up stand up for
Antonyms
STRONGEST
decrease diminish discourage hinder hurt lessen let down play down prevent reduce undermine weaken
STRONG
liquefy melt soften
WEAK
subtract take away

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Bird designed tools to help the kids budget, and holds weekly money meetings to check in and reinforce the ideas she hopes her children, now 11, 9 and 8 years old, will internalize.

From MarketWatch • Apr. 4, 2026

WeRide is likely to reinforce its first-mover advantages, such as level 4 autonomous driving technology, strong unit economics, and deep engagement with industry regulators, they say.

From The Wall Street Journal • Apr. 1, 2026

Wilcox was choosing to reinforce a point that just because Amorim had been sacked and a caretaker boss was being sought, it did not mean the season was being written off.

From BBC • Apr. 1, 2026

When these paths align, the waves can either reinforce or cancel each other, forming a pattern of bright and dark bands.

From Science Daily • Mar. 28, 2026

I reinforce with my other hand so I don’t drop it.

From "I'll Give You the Sun" by Jandy Nelson

From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.